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Potassium Carbonate → 5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(1H-indol-6-yl)-2-methylphenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one

HRID 2405346
ノート
印刷プレビュー

反応式

HRID 2405346 の反応式
Br[C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12]([CH2:13][C@@H:14]3[CH2:18][CH2:17][N:16]([C:19]([CH:21]4[CH2:23][CH2:22]4)=[O:20])[CH2:15]3)=[N:11][NH:10][C:9]2=[O:24])=[C:4]([CH3:25])[CH:3]=1.[NH:26]1[C:34]2[C:29](=[CH:30][CH:31]=[C:32](B(O)O)[CH:33]=2)[CH:28]=[CH:27]1.C([O-])([O-])=O.[K+].[K+].O1CCOCC1>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].O>[CH:21]1([C:19]([N:16]2[CH2:17][CH2:18][C@@H:14]([CH2:13][C:12]3[N:8]([C:5]4[CH:6]=[CH:7][C:2]([C:32]5[CH:33]=[C:34]6[C:29]([CH:28]=[CH:27][NH:26]6)=[CH:30][CH:31]=5)=[CH:3][C:4]=4[CH3:25])[C:9](=[O:24])[NH:10][N:11]=3)[CH2:15]2)=[O:20])[CH2:23][CH2:22]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 11430Potassium CarbonateHCID 312751,4-DioxaneHCID 27632051H-Indol-6-ylboronic acidHCID 710875134-(4-bromo-2-methylphenyl)-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one

生成物 1

HCID 710875555-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-4-[4-(1H-indol-6-yl)-2-methylphenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one
収率 49%

試薬・触媒・溶媒 2

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒HCID 962Water溶媒

反応条件

温度
150 °C

実験手順

A microwave vial was charged with 4-(4-bromo-2-methylphenyl)-5-{[(3S)-1-(cyclopropylcarbonyl)-3-pyrrolidinyl]methyl}-2,4-dihydro-3H-1,2,4-triazol-3-one (105 mg, 0.259 mmol), 1H-indol-6-ylboronic acid (41.7 mg, 0.259 mmol), PdCl2(dppf) (9.48 mg, 0.013 mmol), K2CO3 (90 mg, 0.648 mmol), 1,4-dioxane (3 mL) and water (1 mL). The reaction was purged with nitrogen, sealed and heated in a microwave reactor at 150° C. for 30 min (LCMS indicated complete conversion of starting material to desired product). The reaction mixture was concentrated under reduced pressure and the residue was dissolved in DMSO, filtered through a syringe filter and purified by reverse phase HPLC (Gilson, YMC-Pack ODS-A C18 5 μm 75×30 mm column, 10-90% MeCN/water+0.1% TFA, 3×1 mL injections). The appropriate fractions were concentrated to remove a majority of the MeCN, leaving an aqueous suspension of product. The precipitate was collected by filtration, rinsed with minimal water and dried to constant weight under vacuum to provide the title product (56 mg, 0.127 mmol, 49.0% yield) as a white solid. MS(ES)+ m/e 442.3 [M+H]+. 1H NMR (400 MHz, DMSO-d6) δ ppm 11.74 (d, J=3.79 Hz, 1H), 11.24 (s, 1H), 7.74 (br. s., 1H), 7.70 (s, 1H), 7.64 (d, J=8.34 Hz, 2H), 7.31-7.44 (m, 3H), 6.47 (d, J=2.27 Hz, 1H), 3.63-3.85 (m, 1H), 2.87-3.57 (m, 3H), 2.30-2.47 (m, 3H), 2.13-2.21 (m, 3H), 2.08 (s, 1H), 1.44-1.76 (m, 2H), 0.61-0.78 (m, 4H).

後処理

  1. customThe reaction was purged with nitrogen
  2. customsealed
  3. concentrationThe reaction mixture was concentrated under reduced pressure
  4. dissolutionthe residue was dissolved in DMSO
  5. filtrationfiltered through a syringe
  6. filtrationfilter
  7. custompurified by reverse phase HPLC (Gilson, YMC-Pack ODS-A C18 5 μm 75×30 mm column, 10-90% MeCN/water+0.1% TFA, 3×1 mL injections)
  8. concentrationThe appropriate fractions were concentrated
  9. customto remove a majority of the MeCN
  10. customleaving
  11. additionan aqueous suspension of product
  12. filtrationThe precipitate was collected by filtration
  13. washrinsed with minimal water
  14. customdried to constant weight under vacuum

出典と根拠

ORDレコード
ord-960839ea98a148c8bf1a62802bd9c9bf
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08802864B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート